Individual provider · Type 1 NPI

Majonel Ontanillas, MD

Internal Medicine Physician · Las Vegas, NV

NPI number 1235105313 Active

Practice location

2875 S Nellis Blvd Ste 3
Las Vegas, NV 89121-2087

Call (702) 843-2420 Map

Fax (833) 749-0351

Mailing address

6101 Blue Lagoon Dr Ste 200
Miami, FL 33126-3168

Other practice locations

  • 2704 N Tenaya Way, Las Vegas, NV 89128-0424 · (702) 243-8500

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000X223130 (MA)
Internal Medicine Physician Primary 207R00000X12413 (NV)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

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About NPI 1235105313

Majonel Ontanillas, MD's National Provider Identifier is 1235105313, issued on Feb 27, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Las Vegas, NV. The record was last updated on Sep 30, 2026.